High-power-density resistor for industrial robot

Abstract

The utility model discloses a high-power density resistor for an industrial robot, which relates to the technical field of high-power density resistors and comprises a lower shell, an upper shell is hinged to the top of the lower shell, a plurality of groups of positioning mechanisms corresponding to mounting grooves are arranged on the inner side of the upper shell, and each positioning mechanism comprises a U-shaped positioning plate. A plurality of grooves matched with the U-shaped positioning plate are formed in the inner side of the upper shell, a plurality of supporting columns are fixedly arranged at the top of the U-shaped positioning plate, through holes allowing the supporting columns to penetrate in a sliding mode are formed in the top of the upper shell, and ejector blocks are fixedly arranged at the ends, penetrating through the through holes, of the supporting columns. The upper shell is turned downwards to drive the positioning mechanism to position and clamp the resistor strips, then the condition that the resistor strips are attached is avoided, the upper shell drives the partition plates to be downwards clamped in the clamping grooves of the check blocks, then the resistor strips are partitioned through the partition plates, the resistor strips work independently, mutual influence between the resistor strips is avoided, and the service life of the resistor strips is prolonged. And the working efficiency of the high-power density resistor is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to high power density resistance technical field, concretely relates to a high power density resistance for industrial robot. BACKGROUND

[0002] The resistor is one of the most basic elements in electronic circuit, its function is to limit the size of current flowing, is widely used in current control, voltage division, signal attenuation etc. in electronic circuit, high power resistor is a kind of high power resistor. High power density resistance realizes high power bearing and precision control in small size through material, structure and process innovation, and is widely used in new energy and industrial robot etc.

[0003] The existing high power density resistance usually has multiple resistance strips, but it is difficult to position between multiple resistance strips, which can cause the resistance strips to be in contact, and when one resistance strip is damaged, the adjacent resistance strip is easily affected, thereby reducing the service life of high power density resistance. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high power density resistance for industrial robot to solve the problem that multiple resistance strips are difficult to position in the background art, and when one resistance strip is damaged, the adjacent resistance strip is easily affected.

[0005] To achieve the above object, the utility model provides a high power density resistance for industrial robot, including lower shell, the lower shell top is hinged with upper shell, the lower shell inboard is equipped with a plurality of installation groove for installing resistance strip, the upper shell inboard is equipped with a plurality of positioning mechanism corresponding installation groove, the positioning mechanism includes U-shaped locating plate, the upper shell inboard is equipped with a plurality of recesses suitable for U-shaped locating plate, the U-shaped locating plate top is fixedly provided with a plurality of struts, the upper shell top is equipped with the through -hole for a plurality of struts sliding penetration, a plurality of the struts penetration through -hole one end is fixedly provided with top block, a plurality of the struts outside all are equipped with spring, the lower shell both sides wall all is equipped with buffer mechanism, the buffer mechanism includes L type board, the L type board is fixedly arranged in lower shell side wall, the L type board top is fixedly provided with fixed ring, the fixed ring inboard is equipped with buffer air bag, the buffer air bag inboard is equipped with buffer pad.

[0006] As a further improvement of the technical solution, the bottom end of the spring is fixed to the top of the U-shaped locating plate, and the top end of the spring is fixed to the top of the recess.

[0007] As a further improvement to this technical solution, two sleeves are fixedly installed on the top of the U-shaped positioning plate, and a cooling fan is installed inside each of the two sleeves. The lower housing is provided with heat dissipation vents at the bottom of multiple mounting slots.

[0008] As a further improvement to this technical solution, a locking rod is hinged to the side wall of the upper housing, and a fixing rod is fixedly installed on the side wall of the lower housing. The locking rod has a slot that is adapted to engage with the fixing rod.

[0009] As a further improvement to this technical solution, the lower housing is fixedly provided with a stop block between multiple mounting slots on the inner side, and the upper housing is fixedly provided with a partition plate between multiple grooves on the inner side, and the stop block is provided with a slot that matches the partition plate.

[0010] As a further improvement to this technical solution, the buffer airbag is fixedly sleeved on the outside of the buffer pad, and the buffer airbag is bonded and fixed to the fixing ring.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This industrial robot uses a high power density resistor. By setting up a positioning mechanism, the upper shell flips down to drive the positioning mechanism to position and clamp multiple resistor strips, thereby preventing the resistor strips from sticking together. The upper shell drives multiple partitions to be inserted into the slots of the stop block, thereby separating the multiple resistor strips and allowing them to work independently, avoiding mutual interference between the resistor strips and effectively ensuring the working efficiency of the high power density resistor.

[0013] 2. This industrial robot uses a high power density resistor with a buffer mechanism. The wires at both ends of the resistor strip squeeze the buffer pad, and the buffer pad squeezes the buffer airbag to absorb the vibration force. This prevents the wires at both ends of the resistor strip from being pulled and damaged due to vibration, thus avoiding affecting the normal operation of the high power density resistor and improving its service life. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the upper housing of the utility model in the open state.

[0016] Figure 3 This is a schematic diagram of the positioning mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the utility model buffer mechanism.

[0018] The meanings of the labels in the diagram are as follows:

[0019] 1, lower shell; 2, upper shell; 3, mounting groove; 4, positioning mechanism; 41, U-shaped positioning plate; 42, support column; 43, top block; 44, spring; 45, sleeve; 46, heat dissipation fan; 5, buffer mechanism; 51, L-shaped plate; 52, fixing ring; 53, buffer air bag; 54, buffer pad; 6, recess; 7, fixed rod; 8, stop block; 9, partition; 10, clamping rod; 11, heat dissipation port. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0022] Please refer to Figures 1-3As shown, the utility model provides a high power density resistance for industrial robot, including lower casing 1, the top of lower casing 1 is hingedly provided with upper casing 2, upper casing 2 can be turned over and opened, the inside of lower casing 1 is provided with a plurality of installation groove 3 for installing resistance strip, the inside of upper casing 2 is provided with multiple positioning mechanism 4 corresponding installation groove 3, multiple resistance strips are placed in multiple installation groove 3 respectively, then multiple resistance strips are positioned and clamped by driving positioning mechanism 4 by turning over upper casing 2 downwards, further avoid the condition of sticking between resistance strips, positioning mechanism 4 includes U-shaped locating plate 41, the inside of upper casing 2 is provided with multiple recess 6 matched with U-shaped locating plate 41, multiple support 42 are fixedly arranged on the top of U-shaped locating plate 41, the top of upper casing 2 is provided with through hole for multiple support 42 sliding through, one end of multiple support 42 through the through hole is fixedly provided with top block 43, multiple support 42 outside are all equipped with spring 44, the bottom of spring 44 is fixed with the top of U-shaped locating plate 41, the top of spring 44 is fixed with the top of recess 6, multiple U-shaped locating plates 41 are driven by upper casing 2 and move downwards, make multiple U-shaped locating plates 41 be clamped on the top of multiple resistance strips respectively, resistance strip extrudes U-shaped locating plate 41 upwards, multiple support 42 are driven by U-shaped locating plate 41 and move upwards, simultaneously, multiple spring 44 are compressed by U-shaped locating plate 41, multiple resistance strips are clamped by U-shaped locating plate 41 downwards by the elastic force of multiple spring 44, two sleeves 45 are fixedly arranged on the top of U-shaped locating plate 41, two sleeves 45 are all provided with cooling fan 46, the bottom of lower casing 1 at multiple installation groove 3 is provided with heat dissipation opening 11, a large amount of heat is produced during the working process of high power density resistance, multiple resistance strips are cooled by blowing of cooling fan 46 to multiple resistance strips, and the heat dissipation effect of multiple resistance strips is improved by cooperating with multiple heat dissipation openings 11, and it is tried to avoid damage caused by excessively high temperature of resistance strip.

[0023] Please refer to Figure 2 and Figure 4As shown, the upper shell 2 side wall is hingedly provided with a clamping rod 10, the lower shell 1 side wall is fixedly provided with a fixed rod 7, the clamping rod 10 is provided with a clamping hole matched with the fixed rod 7, when the upper shell 2 and the lower shell 1 are closed, the clamping rod 10 is rotated to make the clamping hole of the clamping rod 10 clamped at the fixed rod 7, thereby fixing the upper shell 2 and the lower shell 1, the lower shell 1 inner side between the plurality of installation grooves 3 is fixedly provided with a stop block 8, the upper shell 2 inner side between the plurality of recesses 6 is fixedly provided with a partition plate 9, the stop block 8 is provided with a clamping groove matched with the partition plate 9, the partition plate 9 is made of ceramic material, the upper shell 2 drives the plurality of partition plates 9 to be clamped in the clamping groove of the stop block 8, thereby separating the plurality of resistance strips through the plurality of partition plates 9, so that the plurality of resistance strips work independently, avoiding mutual influence between the resistance strips, the lower shell 1 two side walls are provided with a buffer mechanism 5, the buffer mechanism 5 comprises an L-shaped plate 51 fixedly arranged on the lower shell 1 side wall, a fixed ring 52 fixedly arranged at the top end of the L-shaped plate 51, a buffer air bag 53 arranged in the inner side of the fixed ring 52, a buffer pad 54 arranged in the inner side of the buffer air bag 53, and the buffer air bag 53 is fixedly sleeved outside the buffer pad 54, and the buffer air bag 53 is adhesively fixed with the fixed ring 52, the wires at both ends of the resistance strip are respectively threaded through the two buffer pads 54 and then connected with the internal circuit of the industrial robot, when the high-power density resistance works and is vibrated, the wires at both ends of the resistance strip extrude the buffer pad 54, the buffer pad 54 extrudes the buffer air bag 53 to absorb the vibration force, avoiding that the vibration causes the wires at both ends of the resistance strip to be pulled and damaged.

[0024] The specific working principle of the utility model is: a plurality of resistance strips are respectively arranged in a plurality of installation grooves 3, then the upper shell 2 is turned down, the upper shell 2 drives a plurality of U-shaped positioning plates 41 to move downwards, the plurality of U-shaped positioning plates 41 are respectively clamped on the upper ends of the plurality of resistance strips, the resistance strips extrude the U-shaped positioning plates 41 upwards, the U-shaped positioning plates 41 drive a plurality of struts 42 to move upwards, and the U-shaped positioning plates 41 compress a plurality of springs 44, the plurality of springs 44 are elastically driven to clamp the plurality of resistance strips downwards, the plurality of resistance strips are positioned and clamped by the positioning mechanism 4, thereby avoiding the resistance strips from being adhered to each other, the upper shell 2 drives the plurality of partition plates 9 to be clamped in the clamping grooves of the stop blocks 8, thereby separating the plurality of resistance strips through the plurality of partition plates 9, so that the plurality of resistance strips work independently, avoiding mutual influence between the resistance strips, the wires at both ends of the resistance strip are respectively threaded through the two buffer pads 54 and then connected with the internal circuit of the industrial robot, when the high-power density resistance works and is vibrated, the wires at both ends of the resistance strip extrude the buffer pad 54, the buffer pad 54 extrudes the buffer air bag 53 to absorb the vibration force, avoiding that the vibration causes the wires at both ends of the resistance strip to be pulled and damaged.

[0025] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high power density resistor for industrial robots, comprising a lower housing (1), wherein an upper housing (2) is hinged to the top of the lower housing (1), characterized in that: The lower housing (1) has multiple mounting slots (3) for mounting resistor strips on its inner side. The upper housing (2) has multiple positioning mechanisms (4) corresponding to the mounting slots (3) on its inner side. The positioning mechanism (4) includes a U-shaped positioning plate (41). The upper housing (2) has multiple grooves (6) adapted to the U-shaped positioning plate (41) on its inner side. Multiple support columns (42) are fixedly mounted on the top of the U-shaped positioning plate (41). The top of the upper housing (2) has through holes for the multiple support columns (42) to slide through. (42) A top block (43) is fixedly installed at one end of the through hole. A spring (44) is sleeved on the outside of the multiple pillars (42). A buffer mechanism (5) is provided on both sides of the lower housing (1). The buffer mechanism (5) includes an L-shaped plate (51). The L-shaped plate (51) is fixedly installed on the side wall of the lower housing (1). A fixing ring (52) is fixedly installed at the top of the L-shaped plate (51). A buffer airbag (53) is provided inside the fixing ring (52). A buffer pad (54) is provided inside the buffer airbag (53).

2. The high power density resistor for industrial robots according to claim 1, characterized in that: The bottom end of the spring (44) is fixed to the top of the U-shaped positioning plate (41), and the top end of the spring (44) is fixed to the top of the groove (6).

3. A high power density resistor for industrial robots according to claim 1, characterized in that: The top of the U-shaped positioning plate (41) is fixedly provided with two sleeves (45), and each of the two sleeves (45) is provided with a cooling fan (46). The lower housing (1) is provided with a heat dissipation port (11) at the bottom of the multiple mounting slots (3).

4. A high power density resistor for industrial robots according to claim 1, characterized in that: The upper housing (2) is hinged to a locking rod (10) on its side wall, and the lower housing (1) is fixedly provided with a fixing rod (7) on its side wall. The locking rod (10) has a locking slot that is compatible with the fixing rod (7).

5. A high power density resistor for industrial robots according to claim 1, characterized in that: The lower housing (1) has a stop block (8) fixedly installed between multiple mounting slots (3) on its inner side, and the upper housing (2) has a partition plate (9) fixedly installed between multiple grooves (6) on its inner side. The stop block (8) has a slot that matches the partition plate (9).

6. A high power density resistor for industrial robots according to claim 1, characterized in that: The buffer airbag (53) is fixedly sleeved on the outside of the buffer pad (54), and the buffer airbag (53) is bonded and fixed to the fixing ring (52).

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